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Monday, January 9, 2012

Geology Model Test Paper

Geology Model Test Paper

Free Online Geology Test

1. For eccentrically loaded strut, the section

preferred is

(a) Solid

(b) Hollow

(c) Reinforced

(d) Composite

Answer. (d)

2. Shape of bending moment diagram for a simply

supported beam carrying at number of concentrated

loads is a

(a) Series of straight lines

(b) Straight line

(c) A parabola

(d) None of the above

Answer. (a)

3. Maximum strain energy that can be stored in a

body is known as

(a) Impact energy

(b) Resilience

(c) Proof resilience

(d) None of these

Answer. (b)

4. Minimum thickness of a flange forged at the end

of shaft is determined by

(a) Compression between two flanges

(b) Tightening of bolts

(c) Fact that it must be sufficient to prevent the shaft from shearing

out of the flange on the cylindrical surface

(d) All of the above

Answer. (c)

5. Shear stress in beam occurs due to

(a) Bending moment only

(b) Pure shear force only

(c) Torsion force only

(d) Transverse shear and torsonal moments

Answer. (d

6. A beam of span L is simply supported at both

the ends is having equal overhangs beyond both

the supports. The beam carries a u.d.i. throughout.

Distance between the supports for mid span moment

to be numerically equal to support moment, is

(a) 0.25 L

(b) 0.50 L

(c) 0.586 L

(d) 0.15 L

Answer. (c)

7. Coaxing is the method of increasing

(a) Strength by reversible cycling

(b) Corrosion resistance by spraying

(c) Hardness by surface treatment

(d) Fatigue resistance over-stressing the metal by

successively increasing loadings

Answer. (d)

8. A structure, made up of several bars, joined

together is known as

(a) Beam

(b) Column

(c) Strut

(d) Frame

Answer. (d)

9. Section modulus Z is expressed as

(a) I/y

(b) E/I

(c) M/I

(d) EI

Answer. (a)

10. Parry ’s formula for columns take into account

(a) Accentricity

(b) Initial curvature

(c) Both (a) and (b)

(d) None of the above

Answer. (a)

11. Diamond riveted joint can be adopted in

(a) Butt joint

(b) Double riveted lap joints

(c) Lap joint

(d) All types of joints

Answer. (a)

12. The hoop stress of a thick cylinder is considered

(i.e. it is maximum)

(a) Near centre

(b) At outer radius

(c) At inner radius

(d) depending on the type of loading

Answer. (c)

13. A frame in which the number of members is just

sufficient to keep it in equilibrium is known as

(a) Theoretical frame

(b) Perfect frame

(c) Ideal frame

(d) Deficient frame

Answer. (b)

14. Proof stress

(a) Is the safest stress

(b) Causes a specified permanent deformation in

a material, usually 0.01% or less

(c) Is used in connection with materials like mild steel

(d) Does not exist

Answer. (b)

15. Distribution Of stress in a beam of rectangular

cross-section will be

(a) Triangular

(b) Rectangular

(c) Parabolic

(d) Elliptical

Answer. (c)

16. lf a material is subjected to a tensile load then to avoid

shear failure of a material along a plane

inclined at 45° to the direction of tensile stress,

the material should have its shear strength at

least equal to

(a) Its tensile strength

(b) Half the tensile strength

(c) Its compressive strength

(d) Principle stress

Answer. (b)

17. A material subjected to reversal of stresses does

not fail at a stress known as

(a) Fatigue stress

(b) Proof stress

(c) Safe stress

(d) Endurance stress

Answer. (d)

18. Compression members tend to buckle in the

direction of

(a) Axis of load

(b) Perpendicular of the axis of load

(c) Minimum cross-section

(d) Least radius of gyration

Answer. (d)

19. Longitudinal stress in a thin cylinder is

(a) Equal to the hoop stress

(b) Twice the hoop stress

(c) Half of the hoop stress

(d) One-fourth the hoop stress

Answer. (c)

20. The moment diagram for a cantilever beam whose

free end is subjected to a bending moment will be

(a) Triangle

(b) Rectangle

(c) Parabola

(d) Cubic parabola

Answer. (b)

21. The radius taken into consideration in calculating the

stress in a hollow shaft subjected to torsion is

(a) Inner radius

(b) Outer radius

(c) Mean radius

(d) Both inner and outer radii

Answer. (b)

22. A material having same properties in all

Directions is known as

(a) Orthotropic material

(b) Isotropic material

(c) Elastic material

(d) Homogenous material

Answer. (d)

23. Maximum stress produced in a rectangular bar under its own

weights will ........ If all the dimensions of the bar are halved

(a) Remain unchanged

(b) Doubled

(c) Halve

(d) None of the above

Answer. (b)

24. The reactions of each support of beam can be

determined from following conditions of equilibrium

(a) Algebraic sum of all vertical forces is zero

(b) Algebraic sum of all horizontal forces is zero

(e) Algebraic sum of moments about any point is zero

(d) All of the above

Answer. (d)

25. When the external forces and moments that

support an object can be found by the equations

of statics alone, object is said to be

(a) Free body

(b) Statically determinate

(c) Statically indeterminate

(d) Homogeneous

Answer. (b)

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